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Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core

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This commit is contained in:
Ingo Molnar
2010-12-22 12:46:12 +01:00
parent 8c1df4002a 287050d390
commit 9fb67204d7
7 changed files with 77 additions and 18 deletions
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include/linux/ftrace_event.h
+4
View File
@@ -225,6 +225,10 @@ enum {
FILTER_PTR_STRING,
};
#define EVENT_STORAGE_SIZE 128
extern struct mutex event_storage_mutex;
extern char event_storage[EVENT_STORAGE_SIZE];
extern int trace_event_raw_init(struct ftrace_event_call *call);
extern int trace_define_field(struct ftrace_event_call *call, const char *type,
const char *name, int offset, int size,
include/linux/tracepoint.h
+23 -6
View File
@@ -106,6 +106,7 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
#define TP_PROTO(args...) args
#define TP_ARGS(args...) args
#define TP_CONDITION(args...) args
#ifdef CONFIG_TRACEPOINTS
@@ -119,12 +120,14 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
* as "(void *, void)". The DECLARE_TRACE_NOARGS() will pass in just
* "void *data", where as the DECLARE_TRACE() will pass in "void *data, proto".
*/
#define __DO_TRACE(tp, proto, args) \
#define __DO_TRACE(tp, proto, args, cond) \
do { \
struct tracepoint_func *it_func_ptr; \
void *it_func; \
void *__data; \
\
if (!(cond)) \
return; \
rcu_read_lock_sched_notrace(); \
it_func_ptr = rcu_dereference_sched((tp)->funcs); \
if (it_func_ptr) { \
@@ -142,7 +145,7 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
* not add unwanted padding between the beginning of the section and the
* structure. Force alignment to the same alignment as the section start.
*/
#define __DECLARE_TRACE(name, proto, args, data_proto, data_args) \
#define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \
extern struct tracepoint __tracepoint_##name; \
static inline void trace_##name(proto) \
{ \
@@ -151,7 +154,8 @@ static inline void tracepoint_update_probe_range(struct tracepoint *begin,
do_trace: \
__DO_TRACE(&__tracepoint_##name, \
TP_PROTO(data_proto), \
TP_ARGS(data_args)); \
TP_ARGS(data_args), \
TP_CONDITION(cond)); \
} \
static inline int \
register_trace_##name(void (*probe)(data_proto), void *data) \
@@ -186,7 +190,7 @@ do_trace: \
EXPORT_SYMBOL(__tracepoint_##name)
#else /* !CONFIG_TRACEPOINTS */
#define __DECLARE_TRACE(name, proto, args, data_proto, data_args) \
#define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \
static inline void trace_##name(proto) \
{ } \
static inline int \
@@ -227,13 +231,18 @@ do_trace: \
* "void *__data, proto" as the callback prototype.
*/
#define DECLARE_TRACE_NOARGS(name) \
__DECLARE_TRACE(name, void, , void *__data, __data)
__DECLARE_TRACE(name, void, , 1, void *__data, __data)
#define DECLARE_TRACE(name, proto, args) \
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), 1, \
PARAMS(void *__data, proto), \
PARAMS(__data, args))
#define DECLARE_TRACE_CONDITION(name, proto, args, cond) \
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), PARAMS(cond), \
PARAMS(void *__data, proto), \
PARAMS(__data, args))
#define TRACE_EVENT_FLAGS(event, flag)
#endif /* DECLARE_TRACE */
@@ -349,12 +358,20 @@ do_trace: \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#define DEFINE_EVENT_PRINT(template, name, proto, args, print) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#define DEFINE_EVENT_CONDITION(template, name, proto, \
args, cond) \
DECLARE_TRACE_CONDITION(name, PARAMS(proto), \
PARAMS(args), PARAMS(cond))
#define TRACE_EVENT(name, proto, args, struct, assign, print) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#define TRACE_EVENT_FN(name, proto, args, struct, \
assign, print, reg, unreg) \
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
#define TRACE_EVENT_CONDITION(name, proto, args, cond, \
struct, assign, print) \
DECLARE_TRACE_CONDITION(name, PARAMS(proto), \
PARAMS(args), PARAMS(cond))
#define TRACE_EVENT_FLAGS(event, flag)